May weather forecastSalkum, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Salkum, Washington, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 39.9°F (4.4°C).Temperature
The onset of May introduces a subtle rise in the average high-temperature, nudging from a fresh 54.3°F (12.4°C) in April to a comfortable 62.8°F (17.1°C). Nightly average temperatures in May reveal a significant dip from daytime highs in Salkum, registering a consistent a cold 39.9°F (4.4°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Salkum, in May, it is raining for 12.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Salkum, during the entire year, the rain falls for 149 days and collects up to 19.37" (492mm) of precipitation.Snowfall
In Salkum, snow does not fall in May through October.Daylight
The average length of the day in May in Salkum is 15h and 2min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:20 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:55 pm PDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Salkum, WA
- Average high temperature in May: 62.8°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in May: 39.9°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in May
Salkum, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
Salkum, WA
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Salkum, WA
- Average humidity in May: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in May
Salkum, WA
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Salkum, WA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in May
Salkum, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Salkum, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Salkum, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).
Average sunshine days in May
Salkum, WA
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in May
Salkum, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Salkum, WA
- Average cloud cover in May: 53
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Salkum, WA
- Average visibility in May: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
